- added a new postprocessor file named: 'probe_from_zmove' which allow probing to be done from z_move position on toolchange event

README.md

@@ -15,6 +15,7 @@ CAD program, and create G-Code for Isolation routing.
 - some GUI structure optimization's
 - added protection against entering float numbers with comma separator instead of decimal dot separator in key points of FlatCAM (not everywhere)
 - added a choice of plotting the kind of geometry for the CNC plot (all, travel and cut kind of geometries) in CNCJob Selected Tab
+- added a new postprocessor file named: 'probe_from_zmove' which allow probing to be done from z_move position on toolchange event 
 
 1.02.2019
 

postprocessors/probe_from_zmove.py

@@ -0,0 +1,211 @@
+from FlatCAMPostProc import *
+
+
+class default(FlatCAMPostProc):
+
+    coordinate_format = "%.*f"
+    feedrate_format = '%.*f'
+
+    def start_code(self, p):
+        units = ' ' + str(p['units']).lower()
+        coords_xy = p['toolchange_xy']
+        gcode = ''
+
+        xmin = '%.*f' % (p.coords_decimals, p['options']['xmin'])
+        xmax = '%.*f' % (p.coords_decimals, p['options']['xmax'])
+        ymin = '%.*f' % (p.coords_decimals, p['options']['ymin'])
+        ymax = '%.*f' % (p.coords_decimals, p['options']['ymax'])
+
+        if str(p['options']['type']) == 'Geometry':
+            gcode += '(TOOL DIAMETER: ' + str(p['options']['tool_dia']) + units + ')\n'
+
+        gcode += '(Feedrate: ' + str(p['feedrate']) + units + '/min' + ')\n'
+
+        if str(p['options']['type']) == 'Geometry':
+            gcode += '(Feedrate_Z: ' + str(p['feedrate_z']) + units + '/min' + ')\n'
+
+        gcode += '(Feedrate rapids ' + str(p['feedrate_rapid']) + units + '/min' + ')\n' + '\n'
+        gcode += '(Z_Cut: ' + str(p['z_cut']) + units + ')\n'
+
+        if str(p['options']['type']) == 'Geometry':
+            if p['multidepth'] is True:
+                gcode += '(DepthPerCut: ' + str(p['depthpercut']) + units + ' <=>' + \
+                         str(math.ceil(abs(p['z_cut']) / p['depthpercut'])) + ' passes' + ')\n'
+
+        gcode += '(Z_Move: ' + str(p['z_move']) + units + ')\n'
+        gcode += '(Z Toolchange: ' + str(p['toolchangez']) + units + ')\n'
+
+        if coords_xy is not None:
+            gcode += '(X,Y Toolchange: ' + "%.4f, %.4f" % (coords_xy[0], coords_xy[1]) + units + ')\n'
+        else:
+            gcode += '(X,Y Toolchange: ' + "None" + units + ')\n'
+
+        gcode += '(Z Start: ' + str(p['startz']) + units + ')\n'
+        gcode += '(Z End: ' + str(p['endz']) + units + ')\n'
+        gcode += '(Steps per circle: ' + str(p['steps_per_circle']) + ')\n'
+
+        if str(p['options']['type']) == 'Excellon' or str(p['options']['type']) == 'Excellon Geometry':
+            gcode += '(Postprocessor Excellon: ' + str(p['pp_excellon_name']) + ')\n'
+        else:
+            gcode += '(Postprocessor Geometry: ' + str(p['pp_geometry_name']) + ')\n' + '\n'
+
+        gcode += '(X range: ' + '{: >9s}'.format(xmin) + ' ... ' + '{: >9s}'.format(xmax) + ' ' + units + ')\n'
+        gcode += '(Y range: ' + '{: >9s}'.format(ymin) + ' ... ' + '{: >9s}'.format(ymax) + ' ' + units + ')\n\n'
+
+        gcode += '(Spindle Speed: %s RPM)\n' % str(p['spindlespeed'])
+
+        gcode += ('G20\n' if p.units.upper() == 'IN' else 'G21\n')
+        gcode += 'G90\n'
+        gcode += 'G94\n'
+
+        return gcode
+
+    def startz_code(self, p):
+        if p.startz is not None:
+            return 'G00 Z' + self.coordinate_format%(p.coords_decimals, p.startz)
+        else:
+            return ''
+
+    def lift_code(self, p):
+        return 'G00 Z' + self.coordinate_format%(p.coords_decimals, p.z_move)
+
+    def down_code(self, p):
+        return 'G01 Z' + self.coordinate_format%(p.coords_decimals, p.z_cut)
+
+    def toolchange_code(self, p):
+        toolchangez = p.toolchangez
+        toolchangexy = p.toolchange_xy
+        f_plunge = p.f_plunge
+        gcode = ''
+
+        if toolchangexy is not None:
+            toolchangex = toolchangexy[0]
+            toolchangey = toolchangexy[1]
+
+        no_drills = 1
+
+        if int(p.tool) == 1 and p.startz is not None:
+            toolchangez = p.startz
+
+        if p.units.upper() == 'MM':
+            toolC_formatted = format(p.toolC, '.2f')
+        else:
+            toolC_formatted = format(p.toolC, '.4f')
+
+        if str(p['options']['type']) == 'Excellon':
+            for i in p['options']['Tools_in_use']:
+                if i[0] == p.tool:
+                    no_drills = i[2]
+
+            if toolchangexy is not None:
+                gcode = """G00 Z{toolchangez}
+G00 X{toolchangex} Y{toolchangey}                
+T{tool}
+M5
+M6
+(MSG, Change to Tool Dia = {toolC} ||| Total drills for tool T{tool} = {t_drills})
+M0
+""".format(toolchangex=self.coordinate_format % (p.coords_decimals, toolchangex),
+             toolchangey=self.coordinate_format % (p.coords_decimals, toolchangey),
+             toolchangez=self.coordinate_format % (p.coords_decimals, toolchangez),
+             tool=int(p.tool),
+             t_drills=no_drills,
+             toolC=toolC_formatted)
+
+                gcode += '\n(MSG, Probing from Z_Move = ' + \
+                         self.coordinate_format % (p.coords_decimals, p.z_move) + ')\n'
+                gcode += 'G00 Z' + self.coordinate_format % (p.coords_decimals, p.z_move) + '\n'
+                gcode += 'M0'
+            else:
+                gcode = """G00 Z{toolchangez}
+T{tool}
+M5
+M6
+(MSG, Change to Tool Dia = {toolC} ||| Total drills for tool T{tool} = {t_drills})
+M0""".format(toolchangez=self.coordinate_format % (p.coords_decimals, toolchangez),
+             tool=int(p.tool),
+             t_drills=no_drills,
+             toolC=toolC_formatted)
+                gcode += '\n(MSG, Probing from Z_Move = ' + \
+                         self.coordinate_format % (p.coords_decimals, p.z_move) + ')\n'
+                gcode += 'G00 Z' + self.coordinate_format % (p.coords_decimals, p.z_move) + '\n'
+                gcode += 'M0'
+
+            if f_plunge is True:
+                gcode += '\nG00 Z%.*f' % (p.coords_decimals, p.z_move)
+            return gcode
+
+        else:
+            if toolchangexy is not None:
+                gcode = """G00 Z{toolchangez}
+G00 X{toolchangex} Y{toolchangey}
+T{tool}
+M5
+M6    
+(MSG, Change to Tool Dia = {toolC})
+M0""".format(toolchangex=self.coordinate_format % (p.coords_decimals, toolchangex),
+             toolchangey=self.coordinate_format % (p.coords_decimals, toolchangey),
+             toolchangez=self.coordinate_format % (p.coords_decimals, toolchangez),
+             tool=int(p.tool),
+             toolC=toolC_formatted)
+                gcode += '\n(MSG, Probing from Z_Move = ' + \
+                         self.coordinate_format % (p.coords_decimals, p.z_move) + ')\n'
+                gcode += 'G00 Z' + self.coordinate_format % (p.coords_decimals, p.z_move) + '\n'
+                gcode += 'M0'
+            else:
+                gcode = """G00 Z{toolchangez}
+T{tool}
+M5
+M6    
+(MSG, Change to Tool Dia = {toolC})
+M0""".format(toolchangez=self.coordinate_format%(p.coords_decimals, toolchangez),
+             tool=int(p.tool),
+             toolC=toolC_formatted)
+                gcode += '\n(MSG, Probing from Z_Move = ' + \
+                         self.coordinate_format % (p.coords_decimals, p.z_move) + ')\n'
+                gcode += 'G00 Z' + self.coordinate_format % (p.coords_decimals, p.z_move) + '\n'
+                gcode += 'M0'
+
+            if f_plunge is True:
+                gcode += '\nG00 Z%.*f' % (p.coords_decimals, p.z_move)
+            return gcode
+
+    def up_to_zero_code(self, p):
+        return 'G01 Z0'
+
+    def position_code(self, p):
+        return ('X' + self.coordinate_format + ' Y' + self.coordinate_format) % \
+               (p.coords_decimals, p.x, p.coords_decimals, p.y)
+
+    def rapid_code(self, p):
+        return ('G00 ' + self.position_code(p)).format(**p)
+
+    def linear_code(self, p):
+        return ('G01 ' + self.position_code(p)).format(**p)
+
+    def end_code(self, p):
+        coords_xy = p['toolchange_xy']
+        gcode = ('G00 Z' + self.feedrate_format %(p.fr_decimals, p.endz) + "\n")
+
+        if coords_xy is not None:
+            gcode += 'G00 X{x} Y{y}'.format(x=coords_xy[0], y=coords_xy[1]) + "\n"
+        return gcode
+
+    def feedrate_code(self, p):
+        return 'G01 F' + str(self.feedrate_format %(p.fr_decimals, p.feedrate))
+
+    def feedrate_z_code(self, p):
+        return 'G01 F' + str(self.feedrate_format %(p.fr_decimals, p.feedrate_z))
+
+    def spindle_code(self, p):
+        if p.spindlespeed:
+            return 'M03 S' + str(p.spindlespeed)
+        else:
+            return 'M03'
+
+    def dwell_code(self, p):
+        if p.dwelltime:
+            return 'G4 P' + str(p.dwelltime)
+
+    def spindle_stop_code(self,p):
+        return 'M05'